package com.hjl.servlet;

import com.hjl.dao.UserDao;
import com.hjl.dao.impl.UserDaoImpl;
import com.hjl.entity.User;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

/**
 * @author ServivE
 * @version 0.1
 * @className Loginservlet
 * @description
 * @date 2024/7/24 15:09
 * @since jdk11
 */
@WebServlet(name = "LoginServlet", urlPatterns = "/login")
public class LoginServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String username = request.getParameter("username");
        String password = request.getParameter("password");
        UserDao userDao = new UserDaoImpl();
        User user = userDao.userLogin(username, password);
        if (user != null) {
            //将user对象存入session作用域
            request.getSession().setAttribute("user",user);
            //采用cookie的方式存储
            /*Cookie cuser = new Cookie("username", user.getUsername());
            cuser.setMaxAge(60 * 60);
            response.addCookie(cuser);*/
            response.sendRedirect("main.jsp");
        } else {
            response.sendRedirect("login.html");
        }
    }

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }
}
